One year after discovering that he is the seventh son of a seventh son, Septimus Heap is settling into his new life as an apprentice wizard. But danger soon returns when a powerful dark force kidnaps Princess Jenna and threatens the safety of the Castle. As Septimus, Jenna, and their friends embark on a perilous journey, they uncover long-hidden secrets about Septimus’s past and encounter enemies determined to stop them. With the help of extraordinary magic and loyal companions, Septimus must find the courage to face challenges that will shape his destiny.